Instead of separate `.get`+`.remove` calls we can call `.remove` and then compare result with `null`
------------- Commit messages: - [PATCH] Avoid redundant WeakHashMap.get in Toolkit.removeAWTEventListener Changes: https://git.openjdk.org/jdk/pull/24692/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24692&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8357224 Stats: 4 lines in 1 file changed: 0 ins; 1 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/24692.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24692/head:pull/24692 PR: https://git.openjdk.org/jdk/pull/24692
